File list (Check if you may need any files):
99servlet3\.classpath
..........\.mymetadata
..........\.project
..........\.settings\org.eclipse.jdt.core.prefs
..........\src\com\alex\base\BaseDAO.java
..........\...\...\....\dao\UsercountDAO.java
..........\...\...\....\listener\AppListener.java
..........\...\...\....\........\SesListener.java
..........\...\...\....\........\test\ThreadTest.java
..........\...\...\....\servlet\CreateSessionServlet.java
..........\WebRoot\index.jsp
..........\.......\main.jsp
..........\.......\META-INF\MANIFEST.MF
..........\.......\WEB-INF\classes\com\alex\base\BaseDAO.class
..........\.......\.......\.......\...\....\dao\UsercountDAO.class
..........\.......\.......\.......\...\....\listener\AppListener.class
..........\.......\.......\.......\...\....\........\SesListener.class
..........\.......\.......\.......\...\....\........\test\ThreadTest.class
..........\.......\.......\.......\...\....\servlet\CreateSessionServlet.class
..........\.......\.......\lib\classes12.jar
..........\.......\.......\web.xml
..........\.......\.......\classes\com\alex\listener\test
..........\.......\.......\.......\...\....\base
..........\.......\.......\.......\...\....\dao
..........\.......\.......\.......\...\....\listener
..........\.......\.......\.......\...\....\servlet
..........\src\com\alex\listener\test
..........\WebRoot\WEB-INF\classes\com\alex
..........\src\com\alex\base
..........\...\...\....\dao
..........\...\...\....\listener
..........\...\...\....\servlet
..........\WebRoot\WEB-INF\classes\com
..........\src\com\alex
..........\WebRoot\WEB-INF\classes
..........\.......\.......\lib
..........\src\com
..........\WebRoot\META-INF
..........\.......\WEB-INF
..........\.myeclipse
..........\.settings
..........\src
..........\WebRoot
99servlet3
session与监听器.ppt